<template>
    <div class="flight-item">
        <div>
            <!-- 显示的机票信息 -->
            <el-row type="flex" align="middle" class="flight-info" @click.native="isShowSeat = !isShowSeat">
                <el-col :span="6">
                    <span>{{data.airline_name}} </span> {{data.flight_no}}
                </el-col>
                <el-col :span="12">
                    <el-row type="flex" justify="space-between" class="flight-info-center">
                        <el-col :span="8" class="flight-airport">
                            <strong>{{data.dep_time}}</strong>
                            <span>{{data.org_airport_name}} {{data.org_airport_quay}}</span>
                        </el-col>
                        <el-col :span="8" class="flight-time">
                            <span>{{duration}}</span>
                        </el-col>
                        <el-col :span="8" class="flight-airport">
                            <strong>{{data.arr_time}}</strong>
                            <span>{{data.dst_airport_name}}{{data.dst_airport_quay}}</span>
                        </el-col>
                    </el-row>
                </el-col>
                <el-col :span="6" class="flight-info-right">
                    ￥<span class="sell-price">{{data.base_price}}</span>起
                </el-col>
            </el-row>
        </div>
        <el-collapse-transition>
            <div class="flight-recommend" v-if="isShowSeat">
                <!-- 隐藏的座位信息列表 -->
                <el-row type="flex"  justify="space-between" align="middle">
                    <el-col :span="4">低价推荐</el-col>
                    <el-col :span="20">
                        <el-row 
                            type="flex" 
                            justify="space-between" 
                            align="middle" 
                            class="flight-sell"
                            v-for="(item,index) in data.seat_infos"
                            :key="index"
                        >
                            <el-col :span="16" class="flight-sell-left">
                                <span>{{item.group_name}}</span> | {{item.supplierName}}
                            </el-col>
                            <el-col :span="5" class="price">
                                ￥{{item.org_settle_price}}
                            </el-col>
                            <el-col :span="3" class="choose-button">
                                <el-button 
                                type="warning" 
                                size="mini"
                                @click="sendOrder(item)"
                                >
                                选定
                                </el-button>
                                <p v-if="item.nums != 'A'">剩余：{{item.nums}}</p>
                            </el-col>
                        </el-row>
                    </el-col>
                </el-row>
            </div>
        </el-collapse-transition>
    </div>
</template>

<script>
export default {
    computed: {
        duration() {
            // 1. 先转为分钟
            let arrTimeArray = this.data.arr_time.split(':')
            let arrMinute = Number(arrTimeArray[0]) * 60 + Number(arrTimeArray[1])

            let depTimeArray = this.data.dep_time.split(':')
            let depMinute = Number(depTimeArray[0]) * 60 + Number(depTimeArray[1])

            let diff = arrMinute - depMinute

            // 对于跨域凌晨的航班来说, 由于刚好零点的时间计算有出入, 会少了 24 小时, 变成负数, 
            // 一旦发现负数, 就重新加上 24 小时即可
            if (diff < 0) {
                diff += 24 * 60;
            }
            
            return Math.floor(diff/60) + '小时' + diff % 60 + '分钟'
            // 2.相减
        }
    },
    data() {
        return {
            isShowSeat: false
        }
    },
    props: {
        // 数据
        data: {
            type: Object,
            // 默认是空数组
            default: () => {
                return {}
            }
        }
    },
    methods:{
        sendOrder(seat) {
            console.log('点击了仓位的选择');
            console.log('当前飞机的 id ' + this.data.id)
            console.log('当前座位 id ' + seat.seat_xid)
            this.$router.push(`/air/order?id=${this.data.id}&seat_xid=${seat.seat_xid}`)
        }
    }
}
</script>

<style scoped lang="less">
    .flight-item{
        border:1px #ddd solid;
        margin-bottom: 10px;

        .flight-info{
            padding:15px;
            cursor: pointer;

           >  div{
                &:first-child, &:last-child{
                    text-align: center;
                }
            }
        }

        .flight-info-center{
            padding:0 30px;
            text-align: center;

            .flight-airport{
                strong{
                    display: block;
                    font-size:24px;
                    font-weight: normal;
                }
                span{
                    font-size: 12px;
                    color:#999;
                }
            }

            .flight-time{
                span{
                    display: inline-block;
                    padding:10px 0;
                    border-bottom: 1px #eee solid;
                    color:#999;
                }
            }
        }

        .flight-info-right{
            
            .sell-price{
                font-size: 24px;
                color:orange;
                margin:0 2px;
            }
        }
    }

    .flight-recommend{
        background: #f6f6f6;
        border-top:1px #eee solid;
        padding:0 20px;

        .flight-sell{
            border-bottom:1px #eee solid;
            padding:10px 0;

            &:last-child{
                border-bottom: none;
            }

            .flight-sell-left{
                font-size: 12px;
                span{
                    color:green;
                }
            } 

            .price{
                font-size: 20px;
                color:orange;
            }

            .choose-button{
                text-align: center;
                color:#666;
                button{
                    display: block;
                    width:100%;
                    margin-bottom:5px;
                }
            }
        }
    }
</style>